PositionMaintenanceRequest (MsgType = AL, FIXML = PosMntReq)

The Position Maintenance Request (AL) message allows the position owner to submit requests to theholder of a position which will result in a specific action being taken which will affect the position. Generally, the holder of theposition is a central counter party or clearing organization but can also be a party providing investment services. Submission of arequest may result in the following:

- adjustement of both the long and short start of day position quantity

- exercise of an option position into a position in the instrument underlying the option

- abandonment of an option position that would otherwise exercise

- netting of current day trades to change to the end of day long and short position

- spreading of a position against other position in order to reduce margin requirements

- pledge of a position for collateral purposes

- large trader submission of the long and short quantities

The request may be submitted as either new, replace or cancel and may refer to a specific position or the previously submitted message. The request is always submitted as of a Clearing Business Date and is therefore required. The parties both owning and holding the position are specified in the parties block.

Tag	Field Name	FIXML	Req'd	Comments
<Standard Message Header>			Y	MsgType = AL
710	PosReqID	@ReqID	N	Encoded (non-ASCII characters) representation of the Text (58) field in the encoded format specified via the MessageEncoding (347) field.
709	PosTransType	@TxnTyp	Y	Identifies the type of position transaction.
712	PosMaintAction	@Actn	Y	Maintenance Action to be performed.
713	OrigPosReqRefID	@OrigPosReqRefID	N	Reference to the PosReqID of a previous maintenance request that is being replaced or canceled.
714	PosMaintRptRefID	@RptRefID	N	Reference to a PosMaintRptID from a previous Position Maintenance Report that is being replaced or canceled.
715	ClearingBusinessDate	@BizDt	Y	The Clearing Business Date referred to by this maintenance request
64	SettlDate	@SettlDt	N	Specific date of trade settlement (SettlementDate) in YYYYMMDD format. If present, this field overrides SettlType (63). This field is required if the value of SettlType (63) is 6 (Future) or 8 (Sellers Option). This field must be omitted if the value of SettlType (63) is 7 (When and If Issued) (expressed in local time at place of settlement)
716	SettlSessID	@SetSesID	N	Identifies a specific settlement session
717	SettlSessSubID	@SetSesSub	N	SubID value associated with SettlSessID(716)
<Parties>			Y	Specifies the number of repeating TradingSessionIDs
1	Account	@Acct	N	Account mnemonic as agreed between buy and sell sides, e.g. broker and institution or investor/intermediary and fund manager.
660	AcctIDSource	@AcctIDSrc	N	Used to identify the source of the Account (1) code. This is especially useful if the account is a new account that the Respondent may not have setup yet in their system.
581	AccountType	@AcctTyp	N	Type of account associated with the order (Origin)
<Instrument>			Y
15	Currency	@Ccy	N	Identifies currency used for price or quantity fields, depending on the asset class being traded. CurrencyCodeSource(2897) may be used to disambiguate the code source scheme used, and ISO 4217 is the default scheme if absent. Absence of this field is interpreted as the default currency for the security as defined by the respective reference data. It is recommended that systems provide the currency value whenever possible. For securities trading and digital assets traded securities-style, identifies the currency used to denote the price. Absence of this field is interpreted as the default for the security. For Foreign Exchange (FX) and digital assets traded FX-style, identifies the dealt currency used to denominate the quantity related field(s).
2897	CurrencyCodeSource	@CcySrc	N	Identifies class or source of the Currency(15) value.
<InstrmtLegGrp>			N	Specifies the number of legs that make up the Security
<RelatedInstrumentGrp>			N	The offer FX Swap points for an FX Swap. It is the "far offer forward points - near bid forward points". Value can be negative. Expressed in decimal form. For example, 61.99 points is expressed and sent as 0.006199
<UndInstrmtGrp>			N	Specifies the number of underlying legs that make up the Security
<TrdgSesGrp>			N	Specifies the number of repeating TradingSessionIDs
60	TransactTime	@TxnTm	N	Time this order request was initiated/released by the trader, trading system, or intermediary.
<PositionQty>			Y	A trade that is being submitted for a trade date prior to the current trade or clearing date, e.g. in an open outcry market an out trade being submitted for the previous trading session or trading day.
<PositionAmountData>			N	Same as TrdRegTimestampOrigin(771). Used in a multi-sided message to indicate relevant trade-side origin or source of timestamp.
718	AdjustmentType	@AdjTyp	N	Type of adjustment to be applied, used for PCS & PAJ Delta_plus, Delta_minus, Final, If Adjustment Type is null, the request will be processed as Margin Disposition
719	ContraryInstructionIndicator	@CntraryInstrctnInd	N	Boolean - if Y then indicates you are requesting a position maintenance that acting
720	PriorSpreadIndicator	@PriorSpreadInd	N	Boolean - Y indicates you are requesting rollover of prior day's spread submissions
834	ThresholdAmount	@ThresholdAmt	N	Amount that a position has to be in the money before it is exercised.
58	Text	@Txt	N	Free format text string (Note: this field does not have a specified maximum length)
354	EncodedTextLen	@EncTxtLen	C	Must be set if EncodedText field is specified and must immediately precede it.
355	EncodedText	@EncTxt	C	Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field.
120	SettlCurrency	@SettlCcy	N	Currency code of settlement denomination.
2899	SettlCurrencyCodeSource	@SettlCcySrc	N	Identifies class or source of the SettlCurrency(120) value.
<Standard Message Trailer>			Y

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